SOLUTION: x-3/4 - x/7 =5 please help me solve this show steps I got x= 63 2/3

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: x-3/4 - x/7 =5 please help me solve this show steps I got x= 63 2/3      Log On


   



Question 565981: x-3/4 - x/7 =5 please help me solve this show steps I got x= 63 2/3
Answer by Tatiana_Stebko(1539) About Me  (Show Source):
You can put this solution on YOUR website!
%28x-3%29%2F4+-+x%2F7+=5
7%28x-3%29%2F28-4x%2F28=5
%287x-21-4x%29%2F28=5
%283x-21%29%2F28=5 multiply by 28
3x-21=140
3x=140%2B21
3x=161 divide by 3
x=161%2F3=532%2F3
Answer532%2F3